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Simplify coordinate/displacement metadata#134

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clbarnes:coord-disp-meta
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Simplify coordinate/displacement metadata#134
clbarnes wants to merge 1 commit into
ome:mainfrom
clbarnes:coord-disp-meta

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@clbarnes

@clbarnes clbarnes commented May 26, 2026

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Currently, locating the vector fields associated with coordinates and displacements transforms in the input coordinate system required an extra coordinate system and coordinate transformation metadata on the vector field Zarr array. This proposal moves it to within the existing transformation metadata, erasing the need for a number of metadata features which were only used for this purpose.

Resolves ome/ngff#520 . Notes about the general issue should go there; preferably keep discussion here to the proposed text/ supporting information changes.

Also changes a few examples to use the conventional coordinateTransformations/ location for coordinate transformation Zarr nodes.

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@jo-mueller

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Superseded by #145?

@clbarnes

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Yes.

For posterity: we decided to turn vector field transforms into multiscale arrays and make use of existing multiscale metadata to handle index transformations.

@clbarnes clbarnes closed this Jun 15, 2026
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RFC-5: relocate coordinates/displacements index transformations

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